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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: ReferencedObjectException.html 842 2015-03-07 18:20:42Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.core;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>/**<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Thrown on an attempt to delete an object which is still referenced<a name="line.11"></a>
<span class="sourceLineNo">012</span> * by a {@link ReferenceField} configured for {@link DeleteAction#EXCEPTION}.<a name="line.12"></a>
<span class="sourceLineNo">013</span> */<a name="line.13"></a>
<span class="sourceLineNo">014</span>@SuppressWarnings("serial")<a name="line.14"></a>
<span class="sourceLineNo">015</span>public class ReferencedObjectException extends DatabaseException {<a name="line.15"></a>
<span class="sourceLineNo">016</span><a name="line.16"></a>
<span class="sourceLineNo">017</span>    private final ObjId id;<a name="line.17"></a>
<span class="sourceLineNo">018</span>    private final ObjId referrer;<a name="line.18"></a>
<span class="sourceLineNo">019</span>    private final int storageId;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>    ReferencedObjectException(ObjId id, ObjId referrer, int storageId) {<a name="line.21"></a>
<span class="sourceLineNo">022</span>        super("object " + id + " cannot be deleted because it is still referenced by field "<a name="line.22"></a>
<span class="sourceLineNo">023</span>          + storageId + " in object " + referrer + ", which is configured for error on deletion");<a name="line.23"></a>
<span class="sourceLineNo">024</span>        this.id = id;<a name="line.24"></a>
<span class="sourceLineNo">025</span>        this.referrer = referrer;<a name="line.25"></a>
<span class="sourceLineNo">026</span>        this.storageId = storageId;<a name="line.26"></a>
<span class="sourceLineNo">027</span>    }<a name="line.27"></a>
<span class="sourceLineNo">028</span><a name="line.28"></a>
<span class="sourceLineNo">029</span>    /**<a name="line.29"></a>
<span class="sourceLineNo">030</span>     * Get the ID of the object that could not be deleted because it was referenced.<a name="line.30"></a>
<span class="sourceLineNo">031</span>     *<a name="line.31"></a>
<span class="sourceLineNo">032</span>     * @return referenced object's ID<a name="line.32"></a>
<span class="sourceLineNo">033</span>     */<a name="line.33"></a>
<span class="sourceLineNo">034</span>    public ObjId getId() {<a name="line.34"></a>
<span class="sourceLineNo">035</span>        return this.id;<a name="line.35"></a>
<span class="sourceLineNo">036</span>    }<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span>    /**<a name="line.38"></a>
<span class="sourceLineNo">039</span>     * Get the ID of the object that still refers to the object that was to be deleted.<a name="line.39"></a>
<span class="sourceLineNo">040</span>     *<a name="line.40"></a>
<span class="sourceLineNo">041</span>     * @return referencing object's ID<a name="line.41"></a>
<span class="sourceLineNo">042</span>     */<a name="line.42"></a>
<span class="sourceLineNo">043</span>    public ObjId getReferrer() {<a name="line.43"></a>
<span class="sourceLineNo">044</span>        return this.referrer;<a name="line.44"></a>
<span class="sourceLineNo">045</span>    }<a name="line.45"></a>
<span class="sourceLineNo">046</span><a name="line.46"></a>
<span class="sourceLineNo">047</span>    /**<a name="line.47"></a>
<span class="sourceLineNo">048</span>     * Get the storage ID of the field in the referring object that still referrs to the object that was supposed to be deleted.<a name="line.48"></a>
<span class="sourceLineNo">049</span>     *<a name="line.49"></a>
<span class="sourceLineNo">050</span>     * @return reference field storage ID<a name="line.50"></a>
<span class="sourceLineNo">051</span>     */<a name="line.51"></a>
<span class="sourceLineNo">052</span>    public int getStorageId() {<a name="line.52"></a>
<span class="sourceLineNo">053</span>        return this.storageId;<a name="line.53"></a>
<span class="sourceLineNo">054</span>    }<a name="line.54"></a>
<span class="sourceLineNo">055</span>}<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>




























































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